(Answered) A shipment from samsung contains 20 similar televisions tvs

Statistics

A shipment from SAMSUNG contains 20 similar televisions (TVs). The shipment contains 3 TVs that are defective. A customer makes a random purchase of 2 TVs from the shipment. Let x be the random variable whose values are the possible numbers of defective televisions purchased by the customer. What is the variance of x?

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